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Changes for page 5.2 Modbus protocol

Last modified by Admin on 2026/04/24 10:30
From version 7.1
edited by Admin
on 2024/12/11 10:49
Change comment: There is no comment for this version
To version 10.1
edited by Admin
on 2025/02/04 10:05
Change comment: There is no comment for this version

Summary

Details

Page properties
Parent
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1 -drafts.BMS Main 2\.1.5\. Communication protocols.WebHome
1 +Battery management systems.BMS Main 2\.1.5\. Communication protocols.WebHome
Content
... ... @@ -240,7 +240,11 @@
240 240  
241 241  bit 25 – “Power up”;
242 242  
243 -bits 26-31 – reserved.
243 +bit 26 — signal “External 1”;
244 +
245 +bit 27 — signal “Heater (AUX)”;
246 +
247 +bits 28-31 — not used.
244 244  )))|(% style="width:96px" %)U32
245 245  |(% style="width:92px" %)**0x200B**|(% style="width:94px" %)1|(% style="width:368px" %)(((
246 246  Discrete output signals (bitfield):
... ... @@ -268,7 +268,7 @@
268 268  
269 269  bits 4-15 — not used.
270 270  )))|(% style="width:96px" %)U16
271 -|(% style="width:92px" %)**0x200E**|(% style="width:94px" %)2|(% style="width:368px" %)(((
275 +|(% style="width:92px" %)**0x200E-0x200F**|(% style="width:94px" %)2|(% style="width:368px" %)(((
272 272  Errors 2 (bitfield):
273 273  
274 274  bit 0 – "Low CH temperature", temperature is too low for charging;
... ... @@ -299,7 +299,11 @@
299 299  
300 300  bit 13 – “General error”;
301 301  
302 -bits 14-31 — reserved.
306 +bit 14-16 — reserved (set to 0);
307 +
308 +bit 17 — “Precharge error”;
309 +
310 +bits 18-31 — not used.
303 303  )))|(% style="width:96px" %)U32
304 304  |(% style="width:92px" %)**0x2010**|(% style="width:94px" %)1|(% style="width:368px" %)Address or the BMS Logic device whose parameters are in registers 0x2011-0x20C9|(% style="width:96px" %)U16
305 305  |(% style="width:92px" %)**0x2011**|(% style="width:94px" %)1|(% style="width:368px" %)(((
... ... @@ -353,13 +353,19 @@
353 353  |(% style="width:92px" %)**0x20F4**|(% style="width:94px" %)1|(% style="width:368px" %)(((
354 354  Discrete input signals 2 (bitfield):
355 355  
356 -bit 0 – “Fuse 2”;
364 +bit 0 — “Fuse 2”;
357 357  
358 -bit 1 – “Fuse 3”;
366 +bit 1 — “Fuse 3”;
359 359  
360 -bit 2 – “Circuit breaker status”;
368 +bit 2 — “Circuit breaker status”;
361 361  
362 -bits 3-15 – reserved.
370 +bit 3 — signal "Balancing request";
371 +
372 +bit 4 — signal "Close Main contactor";
373 +
374 +bit 5 — signal "Close External 1";
375 +
376 +bits 6-15 — not used.
363 363  )))|(% style="width:96px" %)U16
364 364  |(% style="width:92px" %)**0x2100-0x2101**|(% style="width:94px" %)2|(% style="width:368px" %)Battery state of charge (SOC), %|(% style="width:96px" %)REAL32
365 365  |(% style="width:92px" %)**0x2102**|(% style="width:94px" %)1|(% style="width:368px" %)Number of BMS Logic devices|(% style="width:96px" %)U16